Thirds to charles e



(No Model.) 2 sheets-sheet 1.

C. E. GILLESPIE.

LOCK HINGE.

Patented Oct. 11, 1892.

UNITED STATES PATENT OFFICE.

OYRUS E. GILLESPIE, OF EDWARDSVILLE, ILLINOIS, ASSIGNOR OF TWO- THIRDS TO CHARLES E. TINDALL AND CHARLES S. GILLESPIE, OF

SAME PLACE.

LOCK-HINGE.

SPECIFICATION forming part' of Letters Patent No. 484,361, dated October 11, 1892.

Application tiled May 8 1,1 892.

To all whom it may concern:

Be it known that I, CYEUS E. GILLESPIE, of Edwardsville, Illinois, have made a new and useful Improvement in Hinges, of which the following is a full, clear, and exact description.

The improvement relates more especially, but not exclusively, to blind-hinges.

It consists mainly in the improved means for locking the blind or whatever analogous part the hinge in question is applied to in its open position, substantially as is hereinafter set forth and claimed, aided by the annexed drawings, making part of this specification, and in which- Figure l is an elevation showing a blind in position to be hung With the improved hinge. Only that portion of the blind and windowframe is exhibited which is essential to an understanding of the improvement. The blind is shown raised above the hinge parts attached to the window-frame, as when it is about to be lowered into Aits final position thereon. Fig. 2 is another elevation of the blind and window-frame, the blind being. hung and swung nearly open, but notinto its locked position; and Figs. 3 to 7, inclusive, details upon an enlarged scale, Fig. 3 being a horizontal section upon the line 3 3 of Fig. l of the blind hung; Fig. 4, a similar section, the blind being swung entirely open; Fig. 5, a horizontal section upon the line 5 5 of Fig. l of the blind hung; Fig. 6, a section upon the same line, the blind being nearly opened but not into its locked position; Fig. 7, another section on the same line, but showing the blind entirely opened and locked; and Fig. 8, an elevation showing the hinge part of the lowerI hinge, which is attached to the window-frame, the View being in the direction of the arrow 8, Fig.- 7

The same letters of reference denote the same parts.

The blind A and the window-frame B are of the usual description. The upper hinge'C is also of the customary form, saving that the pintle cof the hinge part c upon the windowframe is preferably made somewhat longer than is the pintle d of the lower hinge D. The lower hinge differs, essentially, from previous constructions in the following respects:

Serial No. 435.061. (No model.)

The hinge part or leaf d', which is attached to the window-frame, While in other particulars resembling the form ordinarily in use, is provided with or has associated with it a part cl2, which projects outward from the windowframe and is shaped and arranged, substantially as shown, to leave a space cl3 between the projection and the hinge-leave proper d into which a corner of the complemental hinge part is received when the blind is in a locked position. The part cl2 may be integral with the hinge part d or a separate part alongside it. The outer edge d4 of said projection is preferably beveled, substantially as shown. The pintle d of the hinge part d at or toward its upper end is also preferably provided with a lateral projection d5, and said projection is preferably extended upon opposite sides of the pintle, substantially as shown at d5 d, and fora purpose hereinafter described. The other hinge part or leaf C17 of the lower hinge has a peculiarly-shaped eye d8, which coacts with the described projection and pintle of the hinge part d. Said eye is extended in the direction ef the length of the hinge-leaf to enable the eye to be passed down over the enlarged portion of the pintle d when such enlarged part is used, and also to enable the eye to be moved upon the pintle in a direction more or less crosswise to that in which said enlarged portion of the pintle is extended for the purpose of eifecting the locking of the blind, as hereinafter described. Said eye is also substantially squared at its outer corner d, substantially as shown, and at its other outer corner d10 it is preferably somewhat rounded, and its face d, between said corners, is preferably iat,substantially as shown.

The operation of the improved construction is as follows: The blind to hang it is turned into its half-open position substantially. This position is represented in Figs. 1, 3, and 5. The eye of the upper hinge is above the pintle of that hinge, and the eye of the lower hinge is also above the pintle of the lower hinge, but relatively arranged thereto, as indicated by the broken linesm in Fig. 5-that is, the eye of the lower hinge is in position to be dropped over the enlargement upon the pintle, and the blind is some- IOO what out of plumb, and after the blind has been lowered and released it swings to cause the lateral projection d5 upon the pintle to lap upon the eye. The blind is now lowered, in which movement, owing to the described vertical extension of the pintle of the upper hinge, the eye of the upper hinge engages with its pintlebefore the eye of the lower hinge engages with its pintle, and by this means the hanging of the blindis facilitated, as the parts of the upper hinge can be adjusted before the parts of the lower hinge need to be connected. 'lhe blind being hung, it is operated and locked in the following manner: As the blind is opened from its closed position (indicated by the broken lines y in Fig. 5) and is swung, say, half-way open, as shown in full lines in Fig. 5, its eye at its corner d10 bears against the outer edge of the projection d2, as indicated in Fig. 5, and as the blind is swung still farther open the face d, and ultimately the corner al9 of the eye, rides upon said outer edge, and the parts assume the position substantially as shown in Fig. 6. As the blind is thus swung from its position of Fig. 5 into its position of Fig. 6 the eye acts somewhat like a cam in connection with the projection d2, and the eye in consequence is forced and moved with relation to its pintle to cause the outer end of the eye to be nearer the pintle than it is in the position of Fig. 5 andthe blind to be shifted out of perpendicular, and in consequence to be inclined from the window-frame, as indicated by the position of the blindshowninthefulllinesinFigZ. Theblind is not yet fully open and itis not locked, but by continuing to turn the blind and until the corner (Z9 of the eye comes within the projection d2 the eye is brought opposite the space d3, between the projection and hinge-leaf proper, and as soon as this occurs its tendency to assume the vertical position causes the blind to swing from its full-line position of Fig. 2 into the position indicated by the broken lines in that figure and also shown in Fig. 7, and in which last-named position the corner di of the eye comes squarely within and against the side of the projection d2, and the blind is thereby locked, and before it can be released the blind must be, with the pintle ot' the upper hinge for a bearing, swung sidewise outward from the window-frame until the parts are brought again into the position shown in Fig. 6, whereupon the blind can be swung upon its two bearings, the upper and lower pint-les, and, if desired, be wholly closed. The described sidewise or releasing movement of the blind away from the windowt`rame is readily ctected by any one from within the window by applying force to the inner lower corner of the blind; but any attempt to swing the blind before its lower end has been thus moved away from the window-frame is frustrated by reason of the projection d2 being in the way of the squared corner C19 of the eye.

So far as making the pintle of the upper hinge longer than the pintle of the lower hinge is concerned, I desire not to be re-l stricted to any particular blind or windowframe or hinge, as this feature of the improvement is adaptable to ordinary hinges and blinds and window-frames; nor do I wish to be limited to the upper hinge, as the arrangement may be reversed and the pintle of the lower hinge be made the longer one. I prefer, however, vthe arrangement shown.

I claiml. The combination, in ahinge, of the hingeeye, elongated as described and squared at its outer corner, with the pintle and the projection of the complemental hinge part, substantially as described.

2. The combination, in ahinge, of the hingeeye, elongated as described and squared at one and rounded at the other ofits outer corners, with the pintle and the projection of the complemental hinge part, substantiallyy 

